Command Injection Vulnerability in IBM AIX and PowerVM
CVE-2026-16865

8.8HIGH

Key Information:

Vendor

IBM
Status
Aix
Powervm ViOS
Vendor
CVE Published:
19 August 2026

What is CVE-2026-16865?

A command injection vulnerability exists in IBM AIX versions 7.2 and 7.3, as well as in IBM PowerVM VIOS version 4.1, potentially allowing remote attackers to execute arbitrary code. This weakness arises from inadequate input validation mechanisms, enabling malicious actors to manipulate the underlying system commands executed by the software, posing a significant risk to affected systems.

Affected Version(s)

AIX 7.2

AIX 7.3

PowerVM VIOS 4.1

References

https://www.ibm.com/support/pages/node/7283858
vendor-advisorypatch

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

CVE-2026-14970, CVE-2026-15061, CVE-2026-15078, CVE-2026-15065, CVE-2026-15068 were reported to IBM by Oneconsult AG (https://oneconsult.com/).
.